CN107188055B - Derrick crane with overload locking device - Google Patents
Derrick crane with overload locking device Download PDFInfo
- Publication number
- CN107188055B CN107188055B CN201710404240.1A CN201710404240A CN107188055B CN 107188055 B CN107188055 B CN 107188055B CN 201710404240 A CN201710404240 A CN 201710404240A CN 107188055 B CN107188055 B CN 107188055B
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- China
- Prior art keywords
- sensor
- swing arm
- locking piece
- tower body
- locking
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
Abstract
The present invention provides a kind of derrick cranes with overload locking device, are related to building machinery field, including tower body, swing arm, sensing device, locking device and control host, swing arm is rotatably connect with tower body, mobilizable on swing arm to be provided with loading trolley.Sensing device includes first sensor, second sensor and 3rd sensor.First sensor is used to incude the amplitude that raises up of swing arm, and second sensor is used to incude swing arm and is acted relative to the revolution of tower body, and 3rd sensor is set to loading trolley and for incuding sliding action of the loading trolley relative to swing arm.Locking device includes the first locking piece and the second locking piece, and the first locking piece and the second locking piece are electrically connected with control host, and control the startup that host is used to control the first locking piece and the second locking piece.The derrick crane not only has the function of early warning, additionally it is possible to take measure out of service automatically, effectively prevent violation operation, reduce the security risk of derrick crane.
Description
Technical field
The invention mainly relates to building machinery fields, in particular to a kind of tower with overload locking device
Heavy-duty machine.
Background technology
Derrick crane is called tower crane, also known as tower crane, is a kind of common building machinery, and major function is for building
The transport both vertically and horizontally of equipment and material.
With the continuous development of society, the demand of the building facilities such as skyscraper, road and bridge construction is also continuously increased, and
In the construction process of the building facilities such as skyscraper and road and bridge, derrick crane has played huge effect；But by
There are many not expected outwardly and inwardly factors in building construction process so that the use of derrick crane exists very much
Security risk, for influence derrick crane safety factor, for raising derrick crane security performance, derrick crane
The producer, designer and other stakeholder also createed different safety guarantee device and method, such as middle promulgated by the State Council
Bright patent CN103935916A discloses that a kind of anti-mistake of derrick crane inclines method for early warning and the anti-mistake of derrick crane is inclined early warning dress
It sets, the technical solution of the invention can detect whether derrick crane tilts in time, and send out alarm to driver in time, effectively
Prevent complete machine from tumbling.Chinese invention patent CN103434956A discloses a kind of tower crane and topples over prior-warning device, which topples over pre-
Alarm device timely early warning can reduce personnel and property loss in tower crane accident.
Two patents of invention disclosed above and other derrick crane safety early warning devices in the prior art are
By the monitoring to derrick crane real-time status to achieve the purpose that provide pre-warning signal to operator.But institute is not it
Some operators can carry out operation processing according to normal specification or pre-warning signal, in real work, often there is one
Part violation operation, and exactly such violation operation can cause great security risk, or even lead to safety accident.
Accordingly, it is desirable to provide a kind of new technical solution solves above-mentioned technical problem.
Invention content
The purpose of the present invention is to provide a kind of derrick cranes with overload locking device, and above-mentioned problem is made to obtain
It is effectively improved.
The invention is realized in this way：
Based on above-mentioned purpose, the embodiment provides a kind of derrick crane with overload locking device, packets
Tower body and swing arm are included, swing arm is rotatably connect with tower body, mobilizable on swing arm to be provided with loading trolley, the derrick crane
Further include sensing device, locking device and control host；
Sensing device includes first sensor, second sensor and 3rd sensor, first sensor, second sensor and
3rd sensor is electrically connected with control host, and first sensor and second sensor are both secured to tower body and corresponding with swing arm,
First sensor is used to incude the amplitude that raises up of swing arm, and second sensor is used to incude swing arm and is acted relative to the revolution of tower body,
3rd sensor is set to loading trolley and for incuding sliding action of the loading trolley relative to swing arm；
Locking device includes the first locking piece and the second locking piece, and the first locking piece is fixed on tower body and corresponding with swing arm,
Second locking piece is fixed on loading trolley, and the first locking piece and the second locking piece are electrically connected with control host, and control host
Startup for controlling the first locking piece and the second locking piece.
In the alternative embodiment of the present invention, above-mentioned first sensor includes the first inductance loop and first being mutually matched
Contact, the first inductance loop are sheathed on tower body, and the first contact is fixed on the side corresponding with the first inductance loop of swing arm.
In the alternative embodiment of the present invention, above-mentioned second sensor includes the second inductance loop and second being mutually matched
Contact, the first inductance loop and the second inductance loop both sides that be located at swing arm opposite, the second inductance loop are sheathed on tower body, and second touches
Head is set to the side far from the first contact of swing arm.
In the alternative embodiment of the present invention, the first above-mentioned locking piece includes slip ring, first piston cylinder and multiple
Positioning column, first piston cylinder are electrically connected with control host, and tower body is provided with the sliding rail to match with slip ring, and slip ring is slidably
Be sheathed on tower body and be slidably matched with sliding rail, positioning column is fixedly connected with slip ring, and multiple positioning columns are configured to for limiting
The clamping portion of brake arm rotation, first piston cylinder are fixedly connected on tower body and for pushing slip ring to be slided on sliding rail.
In the alternative embodiment of the present invention, the second above-mentioned locking piece includes brake component, driving member and second piston
Cylinder, brake component include at least two pieces of brake blocks arranged side by side, and brake block is used to push against with the surface of swing arm, and driving member includes passing
Lever and at least two connecting rods being hinged, wherein one end of a connecting rod is connect with one of brake block, separately
One end of a piece connecting rod is connect with another brake block, and one end of the separate brake block of connecting rod is provided with T-block, drive link
Side offer the T-slot to match with T-block, T-block is mobilizable to be embedded in T-slot, the separate connection of drive link
One end of bar is connect with second piston cylinder.
Compared with prior art, the beneficial effects of the invention are as follows：
The embodiment provides it is a kind of have overload locking device derrick crane, be provided with sensing device,
Locking device and control host, sensing device can sense the overload signal of derrick crane, then feed back to the signal
Host is controlled, instruction is sent out to locking device after the analysis by controlling host, locking device is made to lock the derrick crane
It is fixed, prevent it from running.The derrick crane not only has the function of early warning, additionally it is possible to make feedback automatically, take make it is tower
Crane measure out of service so that operator to the operating process of derrick crane be all in reasonable range into
Row, effectively prevents violation operation, reduces the security risk of derrick crane, prevent safety accident caused by human factor.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of the derrick crane with overload locking device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the first sensor of Fig. 1；
Fig. 3 is the structural schematic diagram of the second sensor of Fig. 1；
Fig. 4 is the structural schematic diagram of the 3rd sensor of Fig. 1；
Fig. 5 is the structural schematic diagram of the first locking piece of Fig. 1；
Fig. 6 is the structural schematic diagram of the second locking piece of Fig. 1；
Fig. 7 is the connecting rod of Fig. 6 and the attachment structure schematic diagram of drive link.
Icon：100- has the derrick crane of overload locking device；10- tower bodies；20- swing arms；21- loading trolleies；30-
Sensing device；31- first sensors；The first inductance loops of 310-；The first contacts of 311-；32- second sensors；320- second incudes
Ring；The second contacts of 321-；33- 3rd sensors；330- induction strips；331- third contacts；40- locking devices；41- first is locked
Part；410- slip rings；411- first piston cylinders；412- positioning columns；The clamping portions 413-；The second locking pieces of 42-；420- brake components；
4200- brake blocks；421- driving members；4210- drive links；4211- connecting rods；4212-T type grooves；4213-T type blocks；422- second
Piston cylinder；50- controls host；60- warning devices；70- trippers.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned term with concrete condition
Concrete meaning in the present invention.
Embodiment 1
It please refers to shown in Fig. 1, the embodiment provides a kind of derrick cranes with overload locking device
100, including tower body 10 and swing arm 20, swing arm 20 connect with tower body 10, and swing arm 20 can do 360 degree of rotation around tower body 10
Movement.Loading trolley 21 is provided on swing arm 20, loading trolley 21 can slide on swing arm 20, and loading trolley 21 is in swing arm 20
The transhipment that object is carried out to horizontal direction is realized during upper sliding.In addition, it is necessary to which explanation, swing arm 20 divide for heavy burden section
With loading section, loading trolley 21 is actually to be slided in loading section, and heavy burden section adds weight for balancing in loading section
Weight.The derrick crane further includes sensing device 30, locking device 40, control host 50, warning device 60 and open circuit dress
Set 70.
Specifically, sensing device 30 is used to incude the event of overload of derrick crane, and the information is sent to control
Host 50, and the effect for controlling host 50 is to be made a response by analyzing the signal of sensing device 30, and control locking device 40
Work；In addition control host 50 can also control 60 signal an alert of warning device.Tripper 70 can receive control
After the clearance order that host 50 processed is sent out, the power supply of derrick crane is disconnected.
Sensing device 30 includes first sensor 31, second sensor 32 and 3rd sensor 33, first sensor 31, the
Two sensors 32 and 3rd sensor 33 are electrically connected with control host 50, and control host 50 can receive first sensor
31, the actuating signal that second sensor 32 and 3rd sensor 33 sense, and make instruction appropriate.
It should be noted that above-mentioned first sensor 31, second sensor 32 and 3rd sensor 33 are distance perspective
Equipment is answered, that is, perceives the variation of distance between the two by two inductive heads being mutually matched, to obtain two mutually
Action message between the device of effect.
First sensor 31 and second sensor 32 are both secured to tower body 10 and, first sensor 31 use corresponding with swing arm 20
In the amplitude that raises up of induction swing arm 20, specifically, first sensor 31 is arranged in the upper end or lower end of swing arm 20, when loading section
When being loaded with cargo, first sensor 31 can monitor the amplitude that raises up of swing arm 20 in real time, and can be by it
Real-time data transmission extremely control host 50.
It please refers to shown in Fig. 2, in the present embodiment, above-mentioned first sensor 31 includes the first inductance loop being mutually matched
310 and first contact 311, the first inductance loop 310 is sheathed on tower body 10, the first contact 311 be fixed on swing arm 20 with the first sense
Answer 310 corresponding side of ring.Specifically, the first contact 311 is integrally fixed in heavy burden section, the first contact 311 can be arranged dynamic
The side of the bottom of arm 20, with the increase of the weight of cargo in loading section, the first contact 311 and first in heavy burden section incudes
The distance between ring 310 gradually increases, until overload.In addition, the first contact 311 can also be arranged the one of the top of swing arm 20
Side, with the increase of the weight of cargo in loading section, between the first contact 311 and the first inductance loop 310 in heavy burden section away from
From being gradually reduced, until overload.Basically, first sensor 31 is by 310 He of the first inductance loop to the induction of overload
The variation of distance realizes that the mode only changed is different between first contact 311, but can sense the super of tower crane
Carry situation.
First contact 311 can be arranged one can also be arranged it is multiple, can when the first contact 311 is arranged multiple
It, at this moment, can be with the first contact 311 to be separately positioned on the swing arm 20 of 10 both sides of tower body, and corresponding with the first inductance loop 310
Obtain more accurate actuating signal by the distance between 311 and first inductance loop 310 of multiple first contacts data, avoid because
20 long-time of swing arm occurs using there is a situation where misjudged when Fatigue Deformation at overload.
It please refers to shown in Fig. 3, second sensor 32 is used to incude swing arm 20 and is acted relative to the revolution of tower body 10, practical
On, 32 effective induction of second sensor action is since first sensor 31 senses the case where tower crane overloads, when the
When one sensor 31 senses the overload condition of tower crane, the induction work of second sensor 32 can be triggered, and second senses
What device 32 incuded is whether swing arm 20 is rotating relative to tower body 10, and the information is fed back to control host 50.
In the present embodiment, above-mentioned second sensor 32 includes the second inductance loop 320 and the second contact being mutually matched
321, the first inductance loop 310 and the second inductance loop 320 both sides that be located at swing arm 20 opposite avoid 310 He of the first inductance loop
Second inductance loop 320 forms interference between each other, and the second inductance loop 320 is sheathed on tower body 10, and the second contact 321 is set to swing arm
20 side far from the first contact 311.Optionally, the quantity of the second contact 321 can be arranged multiple, each second contact
321 can match with the second inductance loop 320, if second contact 321 is only arranged, when the second contact 321 breaks down
When cannot obtain accurate data in time.
Above-mentioned second sensor 32 is identical with the principle of induction of first sensor 31, only the second inductance loop here
320 and second the variation of the distance between contact 321 be to be realized by rotating, it is therefore desirable to be arranged on the second inductance loop 320
One or more induction points, by the variation of distance between induction point and the second contact 321 come realize swing arm 20 and tower body 10 it
Between rotational action induction.
Please refer to shown in Fig. 4,3rd sensor 33 be set to loading trolley 21 and for incude loading trolley 21 relative to
The sliding action of swing arm 20.The actual induction action of 3rd sensor 33 is also to sense tower crane overload in first sensor 31
What situation started, when first sensor 31 senses the overload condition of tower crane, the induction of 3rd sensor 33 can be triggered
Work, and what 3rd sensor 33 incuded is whether loading trolley 21 feeds back to relative to swing arm 20 in activity, and by the information
Control host 50.In the present embodiment, above-mentioned 3rd sensor 33 includes the induction strip 330 being mutually matched and third contact
331, induction strip 330 is arranged along the length direction of swing arm 20, it is generally the case that the length of induction strip 330 is with trolley in swing arm 20
On movement locus length it is identical, third contact 331 is fixedly installed on loading trolley 21, when 3rd sensor 33 receives first
It when the overload signal of sensor 31, starts running, when loading trolley 21 slides on swing arm 20, induction strip 330 and third are touched
First 331 mutually stagger, and the active signal of loading trolley 21 can be fed back to control host 50 by 3rd sensor 33 at this time, by controlling
Host 50 carries out the processing of next step.
3rd sensor 33 is identical as the principle of induction of second sensor 32, only, is needed in induction strip 330 here
The one or more induction points of setting, loading trolley 21 is perceived by the variation of distance between induction point and third contact 331
Movement.
As shown in Figure 1, locking device 40 includes the first locking piece 41 and the second locking piece 42, the first locking piece 41 is fixed on
Tower body 10 and corresponding with swing arm 20, the second locking piece 42 is fixed on loading trolley 21, the first locking piece 41 and the second locking piece 42
It is electrically connected with control host 50, and controls the startup that host 50 is used to control the first locking piece 41 and the second locking piece 42, when
When tower crane works normally, locking device 40 keeps silent status, and control host 50 can be with when overload condition occurs
Locking device 40 is controlled, tower crane is locked, avoids violation operation when overload.
It please refers to shown in Fig. 5, in the present embodiment, the first above-mentioned locking piece 41 includes slip ring 410, first piston cylinder
411 and multiple positioning columns 412, first piston cylinder 411 is for the length by slip ring 410 and positioning column 412 along tower body 10
Direction pushes.First piston cylinder 411 can be cylinder or oil cylinder, can also carry out first piston cylinder 411 with electric pushrod
It substitutes.
First piston cylinder 411 is electrically connected with control host 50, and control host 50 is to pass through to the control of the first locking piece 41
Control what first piston cylinder 411 was realized.Tower body 10 is provided with the sliding rail to match with slip ring 410, and slip ring 410 is sheathed on tower
Body 10, and slip ring 410 can slide on sliding rail, and positioning column 412 is fixedly connected with slip ring 410, and multiple positioning columns
412 are configured to the clamping portion 413 for limiting the rotation of swing arm 20, and clamping portion 413 matches with swing arm 20, specifically, clamping portion
413 enveloping space is more than the area of section of swing arm 20, when needing to limit the rotation of swing arm 20, clamping portion 413 and swing arm 20
Clamping, at this point, wherein two positioning columns 412 side close to each other is bonded with the side wall of swing arm 20, to limit swing arm 20
Circumferential movement.Here clamping portion 413 can be stuck by swing arm 20, so that swing arm 20 is kept fixed state.First piston cylinder
411 are fixedly connected on tower body 10 and for pushing slip ring 410 to be slided on sliding rail.
It should be noted that the operation process of the first locking piece 41 is achieved in that the induction of first sensor 31 first
To the overload data of tower crane, the then triggering of first sensor 31 second sensor 32 operating, second sensor 32 is to swing arm 20
Revolution action is monitored, and when swing arm 20 is rotated relative to tower body 10, second sensor 32 feeds back the action message
Instruction is sent out to control host 50, then by control host 50, at this point, first piston cylinder 411 pushes positioning column 412 to swing arm 20
Direction is drawn close, and keeps clamping portion 413 that swing arm 20 is stuck, prevents swing arm 20 from normally being rotated again.It can effectively keep away
Exempt from rotational action when swing arm 20 overloads.
It please refers to shown in Fig. 6, in the present embodiment, the second above-mentioned locking piece 42 includes brake component 420, driving member 421
And second piston cylinder 422, the second locking piece 42 are arranged for loading trolley 21, the second locking piece 42 can be small by loading
Vehicle 21 is fixed on swing arm 20.
Brake component 420 includes at least two pieces brake blocks 4200 arranged side by side, and brake block 4200 is for the table with swing arm 20
Face pushes against, here it is possible to the stopping element that setting matches with brake block 4200 on swing arm 20, to enhance the system of brake component 420
Dynamic effect.
Driving member 421 includes drive link 4210 and at least two connecting rods 4211 being hinged, wherein a connection
One end of bar 4211 is connect with one of brake block 4200, one end of another connecting rod 4211 and another brake block 4200
Connection, one end of separate the brake block 4200 of connecting rod 4211 are provided with T-block 4213, the side of drive link 4210 offer and
The T-slot 4212 (as shown in Figure 7) that T-block 4213 matches, T-block 4213 can be in T-slot 4212 be slided, T-block
4213 are limited by T-slot 4212, can only be moved along the length direction of T-slot 4212, certainly, the end of connecting rod 4211 with
Drive link 4210 can also use other sliding matching modes, for example, T-block 4213 is arranged to spherical or other shapes,
And the slot to match with the spherical shape or other shapes is opened up on the length direction of drive link 4210, it can also realize connecting rod
4211 and drive link 4210 be slidably matched, one end and the second piston cylinder 422 of the separate connecting rod 4211 of drive link 4210 connect
It connects.
It should be noted that there are two the tie points of the second locking piece 42 and loading trolley 21, one of them is two companies
The anchor point of extension bar 4211 is connect with loading trolley 21, another tie point is that second piston cylinder 422 is connect with loading trolley 21.
It should be noted that second piston cylinder 422 here can be cylinder or oil cylinder, second piston cylinder 422 also may be used
Being substituted with electric pushrod, when second piston cylinder 422 pushes either pulling drive link 4210 movement, two connecting rods
Angle between 4211 mutually changes, and the distance between two brake blocks 4200 also change at this time, when need carry out loading
When the braking of trolley 21, second piston cylinder 422 pulls drive link 4210, makes two brake blocks 4200 and the stopping element on swing arm 20
It pushes against, loading trolley 21 is kept fixed relative to swing arm 20 at this time, and also allowing in the case of an overload cannot be to loading trolley
21 are operated.
It please refers to shown in Fig. 1, in the present embodiment, warning device 60 is used to receive the instruction of control host 50 and sends out report
Alert signal, warning device 60 is audible-visual annunciator, when warning device 60 sends out alarm, Secure Manager can be made to find exist
Security risk or violation operation, and timely prevented.Warning device 60 is also connect with monitoring-controlling system signal, monitoring system
System can carry out the record of overload data, can play certain warning function, in case of safety accident, or thing
Therefore investigation provide data.
In the present embodiment, above-mentioned tripper 70 is set in the power supply box of derrick crane, and tripper 70 is distinguished
Be electrically connected with power supply and control host 50, tripper 70, which is used to receive, controls the break signal that sends out of host 50 and by power supply
It disconnects.
Specifically, control host 50 conducts the locking operations to tower crane except through control locking device 40, can also lead to
It crosses control tripper 70 to disconnect the power supply of tower crane, prevents operator from carrying out overload operation, certainly, when the power supply of tower crane is disconnected
After opening, swing arm 20 and loading trolley 21 still can move under the action of external force or its own gravity, above-mentioned locking dress
Setting 40 can equally play a role, and tower crane is completely locked, avoid the occurrence of security risk.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that：Similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and is explained.
Claims (2)
1. a kind of derrick crane with overload locking device, including tower body（10）And swing arm（20）, swing arm（20）With tower body
（10）Rotation connection, swing arm（20）On be provided with mobile loading trolley（21）, which is characterized in that the derrick crane also wraps
Include sensing device（30）, locking device（40）With control host（50）；
Sensing device（30）Including first sensor（31）, second sensor（32）And 3rd sensor（33）, first sensor
（31）, second sensor（32）And 3rd sensor（33）With control host（50）Electrical connection, first sensor（31）With
Two sensors（32）It is both secured to tower body（10）And and swing arm（20）It is corresponding, first sensor（31）For incuding swing arm（20）'s
Raise up amplitude, second sensor（32）For incuding swing arm（20）Relative to tower body（10）Revolution action, 3rd sensor
（33）It is set to loading trolley（21）And for incuding loading trolley（21）Relative to swing arm（20）Sliding action；
Locking device（40）Including the first locking piece（41）With the second locking piece（42）, the first locking piece（41）It is fixed on tower body
（10）And and swing arm（20）It is corresponding, the second locking piece（42）It is fixed on loading trolley（21）, the first locking piece（41）With the second lock
Determine part（42）With control host（50）Electrical connection, and control host（50）For controlling the first locking piece（41）With the second locking
Part（42）Startup；
First locking piece（41）Including slip ring（410）, first piston cylinder（411）And multiple positioning columns（412）, first piston
Cylinder（411）With control host（50）Electrical connection, tower body（10）It is provided with and slip ring（410）The sliding rail to match, slip ring
（410）Sliding sleeve is set to tower body（10）And be slidably matched with sliding rail, positioning column（412）With slip ring（410）It is fixedly connected, and more
A positioning column（412）It is configured to for limiting swing arm（20）The clamping portion of rotation（413）, first piston cylinder（411）It is fixedly connected
In tower body（10）And for pushing slip ring（410）It is slided on sliding rail.
2. the derrick crane with overload locking device according to claim 1, which is characterized in that the second locking piece
（42）Including brake component（420）, driving member（421）And second piston cylinder（422）, brake component（420）Simultaneously including at least two pieces
Arrange the brake block of setting（4200）, brake block（4200）For with swing arm（20）Surface push against, driving member（421）Including transmission
Bar（4210）And at least two connecting rods being hinged（4211）, wherein a connecting rod（4211）One end and wherein one
A brake block（4200）Connection, another connecting rod（4211）One end and another brake block（4200）Connection, connecting rod
（4211）Separate brake block（4200）One end be provided with T-block, drive link（4210）Side offer and T-block phase
The T-slot matched, T-block activity are embedded in T-slot, drive link（4210）Separate connecting rod（4211）One end with second live
Plug cylinder（422）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710404240.1A CN107188055B (en) | 2017-06-01 | 2017-06-01 | Derrick crane with overload locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710404240.1A CN107188055B (en) | 2017-06-01 | 2017-06-01 | Derrick crane with overload locking device |
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| Publication Number | Publication Date |
|---|---|
| CN107188055A CN107188055A (en) | 2017-09-22 |
| CN107188055B true CN107188055B (en) | 2018-11-06 |
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| CN201710404240.1A Active CN107188055B (en) | 2017-06-01 | 2017-06-01 | Derrick crane with overload locking device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109683499A (en) * | 2019-01-21 | 2019-04-26 | 南京达斯琪数字科技有限公司 | A kind of display system |
| CN109581901A (en) * | 2019-01-21 | 2019-04-05 | 南京达斯琪数字科技有限公司 | A kind of display system |
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| CN202175513U (en) * | 2011-04-06 | 2012-03-28 | 徐州益利亚工程机械有限公司 | Tower crane monitoring system with self-locking function |
| CN202864766U (en) * | 2012-04-06 | 2013-04-10 | 长治清华机械厂 | Overload warning control device of straight arm-type lorry-mounted crane |
| CN205222508U (en) * | 2015-12-03 | 2016-05-11 | 山东聊建集团有限公司 | Collect that panorama is visual, prevention and control function in intelligent hoist integrated device of an organic whole |
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| CN1250745A (en) * | 1999-06-30 | 2000-04-19 | 西安建筑科技大学 | High-safety protecting system and method for monitoring running state of tower crane |
| RU2347736C2 (en) * | 2007-03-23 | 2009-02-27 | Общество с ограниченной ответственностью Научно-производственное предприятие "Резонанс" | Control system of load-lifting crane (versions) |
| CN202175513U (en) * | 2011-04-06 | 2012-03-28 | 徐州益利亚工程机械有限公司 | Tower crane monitoring system with self-locking function |
| CN202864766U (en) * | 2012-04-06 | 2013-04-10 | 长治清华机械厂 | Overload warning control device of straight arm-type lorry-mounted crane |
| CN205222508U (en) * | 2015-12-03 | 2016-05-11 | 山东聊建集团有限公司 | Collect that panorama is visual, prevention and control function in intelligent hoist integrated device of an organic whole |
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